jacket
JAK-it · noun
Origin
English "jacket" comes from Middle French jacquet, a diminutive form of Old French jaque, itself built with the Old French diminutive suffix -et.
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Journey
The word passed from Old French jaque into Middle French jacquet, gaining that little "-et" ending along the way before English borrowed it as "jacket."
Related words
The diminutive suffix -et in jacquet traces back through Late Latin -ittus toward Proto-Italic and Proto-Indo-European roots.